![Samsung Galaxy S21 Ultra 5G](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-689717ef-e65e-440f-89ce-ba23b806935a.png?width=150&height=320)
Samsung Galaxy S21 Ultra 5G
Android 11.0
Turn Wi-Fi calling on or off
When Wi-Fi calling is turned on, you can make and answer calls using a Wi-Fi network when you're in an area with little or no network coverage. To turn on Wi-Fi calling, you need to establish a connection to a Wi-Fi network and select 4G (LTE) as network mode.
1. 1. Find "Settings"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b046ae34-0c83-43a5-a7fe-d4a9539ce1cc.png?width=210&height=466)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-09a6cba0-68fb-4dbf-952a-b8f19bf9cd1a.png?width=210&height=466)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e14dd5a6-0ce0-4ae6-9a75-e8f7dce17e1d.png?width=210&height=466)
2. 2. Turn Wi-Fi calling on or off
Press WiFi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b52319fe-65fd-4abf-8501-8828291a0b51.png?width=210&height=466)
Press the indicator next to the required SIM to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e3920ffd-045c-4c91-b360-15f99f31feb7.png?width=210&height=466)
3. 3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e3920ffd-045c-4c91-b360-15f99f31feb7.png?width=210&height=466)